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benchmark-getaddrinfo: resolve more, use less concurrency

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This commit is contained in:
Bert Belder 2011-06-25 16:07:57 +02:00
parent 16f471fa2e
commit 21969b7a6f
1 changed files with 38 additions and 42 deletions
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80
test/benchmark-getaddrinfo.c
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@ -27,41 +27,43 @@
#include <string.h> /* strlen */
#define CONCURRENT_CALLS 10
#define TOTAL_CALLS 10000
static uv_buf_t alloc_cb(uv_handle_t* handle, size_t size) {
uv_buf_t buf;
buf.base = (char*)malloc(size);
buf.len = size;
return buf;
}
const char* name = "localhost";
static uv_getaddrinfo_t handles[CONCURRENT_CALLS];
/* data used for running multiple calls concurrently */
#define CONCURRENT_COUNT 1000
int callback_counts[CONCURRENT_COUNT];
uv_getaddrinfo_t getaddrinfo_handles[CONCURRENT_COUNT];
static void getaddrinfo_cuncurrent_cb(uv_getaddrinfo_t* handle, int status, struct addrinfo* res) {
int i;
for (i = 0; i < CONCURRENT_COUNT; i++) {
if (&getaddrinfo_handles[i] == handle) {
callback_counts[i]++;
break;
}
}
ASSERT (i < CONCURRENT_COUNT);
}
static int calls_initiated = 0;
static int calls_completed = 0;
static int64_t start_time;
static int64_t end_time;
BENCHMARK_IMPL(getaddrinfo) {
static void getaddrinfo_initiate(uv_getaddrinfo_t* handle);
int rc = 0;
char* name = "localhost";
static void getaddrinfo_cb(uv_getaddrinfo_t* handle, int status,
struct addrinfo* res) {
ASSERT(status == 0);
calls_completed++;
if (calls_initiated < TOTAL_CALLS) {
getaddrinfo_initiate(handle);
}
}
static void getaddrinfo_initiate(uv_getaddrinfo_t* handle) {
int r;
calls_initiated++;
r = uv_getaddrinfo(handle, &getaddrinfo_cb, name, NULL, NULL);
ASSERT(r == 0);
}
BENCHMARK_IMPL(getaddrinfo) {
int i;
uv_init();
@ -69,28 +71,22 @@ BENCHMARK_IMPL(getaddrinfo) {
uv_update_time();
start_time = uv_now();
for (i = 0; i < CONCURRENT_COUNT; i++) {
callback_counts[i] = 0;
uv_getaddrinfo(&getaddrinfo_handles[i],
&getaddrinfo_cuncurrent_cb,
name,
NULL,
NULL);
for (i = 0; i < CONCURRENT_CALLS; i++) {
getaddrinfo_initiate(&handles[i]);
}
uv_run();
uv_update_time();
end_time = uv_now();
for (i = 0; i < CONCURRENT_COUNT; i++) {
if (callback_counts[i] != 1) {
printf("Not all callbacks were called 1 time\n");
}
}
ASSERT(calls_initiated == TOTAL_CALLS);
ASSERT(calls_completed == TOTAL_CALLS);
LOGF("getaddrinfo: %d calls in %ld ms \n", CONCURRENT_COUNT, (end_time - start_time));
LOGF("getaddrinfo: %d calls in %d ms (%.0f requests/second)\n",
calls_completed,
(int) (end_time - start_time),
(double) calls_completed / (double) (end_time - start_time) * 1000.0);
return 0;
}